164290337 has 4 divisors (see below), whose sum is σ = 165917076. Its totient is φ = 162663600.

The previous prime is 164290289. The next prime is 164290349. The reversal of 164290337 is 733092461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110649361 + 53640976 = 10519^2 + 7324^2 .

It is a cyclic number.

It is not a de Polignac number, because 164290337 - 2¹⁰ = 164289313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164290297 and 164290306.

It is not an unprimeable number, because it can be changed into a prime (164290367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813218 + ... + 813419.

It is an arithmetic number, because the mean of its divisors is an integer number (41479269).

Almost surely, 2^164290337 is an apocalyptic number.

It is an amenable number.

164290337 is a deficient number, since it is larger than the sum of its proper divisors (1626739).

164290337 is a wasteful number, since it uses less digits than its factorization.

164290337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626738.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 164290337 is about 12817.5792176214. The cubic root of 164290337 is about 547.6931889843.

The spelling of 164290337 in words is "one hundred sixty-four million, two hundred ninety thousand, three hundred thirty-seven".